868359688

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 1885564800

約数和(自身を除く): 1017205112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 281, 397, 556, 562, 794, 973, 1112, 1124, 1588, 1946, 1967, 2248, 2779, 3176, 3892, 3934, 5558, 7784, 7868, 11116, 15736, 22232, 39059, 55183, 78118, 110366, 111557, 156236, 220732, 223114, 273413, 312472, 386281, 441464, 446228, 546826, 772562, 780899, 892456, 1093652, 1545124, 1561798, 2187304, 3090248, 3123596, 6247192, 15506423, 31012846, 62025692, 108544961, 124051384, 217089922, 434179844, 868359688]

約数ペア:

[(1, 868359688), (2, 434179844), (4, 217089922), (7, 124051384), (8, 108544961), (14, 62025692), (28, 31012846), (56, 15506423), (139, 6247192), (278, 3123596), (281, 3090248), (397, 2187304), (556, 1561798), (562, 1545124), (794, 1093652), (973, 892456), (1112, 780899), (1124, 772562), (1588, 546826), (1946, 446228), (1967, 441464), (2248, 386281), (2779, 312472), (3176, 273413), (3892, 223114), (3934, 220732), (5558, 156236), (7784, 111557), (7868, 110366), (11116, 78118), (15736, 55183), (22232, 39059)]